/*
function verifyCompatibleBrowser() {
    this.ver = navigator.appVersion;
    this.dom = document.getElementById?1:0;
    this.ie5 = (this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
    this.ie4 = (document.all && !this.dom)?1:0;
    this.ns5 = (this.dom && parseInt(this.ver) >= 5) ?1:0;
    this.ns4 = (document.layers && !this.dom)?1:0;
    this.bw = (this.ie5 || this.ie4 || this.ns4 || this.ns5)
    return this;
} 
bw = new verifyCompatibleBrowser();
*/
var speed = 50;
var loop, timer;
function ConstructObject(obj,nest)
{ 
	nest=(!nest) ? '':'document.'+nest+'.' 
	this.el  = document.getElementById( obj ); 
	this.css = this.el.style; 

	this.scrollHeight = this.el.offsetHeight 
	this.clipHeight   = this.el.offsetHeight 

	this.up       = MoveAreaUp;
	this.down     = MoveAreaDown; 
	this.MoveArea = MoveArea;
	this.x;
	this.y; 
	this.obj      = obj + "Object" 
	eval(this.obj + "=this") 
	return this;
} 
function MoveArea(x,y) {
	this.x = x;
	this.y = y;
	this.css.left = this.x;
    this.css.top = this.y;
} 
function MoveAreaDown(move){ 
	if (this.y>-this.scrollHeight+objContainer.clipHeight){
		this.MoveArea(0,this.y-move);
		if(loop) setTimeout(this.obj+".down("+move+")",speed);
	} 
} 
function MoveAreaUp(move){ 
	if (this.y<0){
		this.MoveArea(0,this.y-move);
		if(loop) setTimeout(this.obj+".up("+move+")",speed);
	}
} 
function PerformScroll(speed) {
	if (initialised) {
		loop = true;
		if (speed > 0)
			objScroller.down(speed);
		else
			objScroller.up(speed);
	}
} 
function CeaseScroll(){ 
    loop=false;
    if(timer) clearTimeout(timer);
} 
var initialised;

function InitialiseScrollableArea(){ 
    objContainer = new ConstructObject('divContainer');
    objScroller = new ConstructObject('divContent','divContainer');
    objScroller.MoveArea(0,0);
    objContainer.css.visibility = 'visible';
    initialised = true;
}
function displayStatusMsg(msgStr) { 
  status = msgStr;
  document.returnValue = true;
}
function preloadImages() { 
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}
function swapImgRestore() { 
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function findObj(n, d) { 
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document); return x;
}
function swapImage() { 
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}